en_tn/act/27/27.md

521 B

the Adriatic Sea

The sea between Italy and Greece. (See: rc://en/ta/man/translate/translate-names)

They took soundings

They measured the depth of the sea water. (UDB)

found twenty fathoms

"found 20 fathoms" or "found 40 meters." This is a unit of measurement. (UDB) (See: rc://en/ta/man/translate/translate-numbers)

found fifteen fathoms

"found 15 fathoms" or "found 30 meters" (See: rc://en/ta/man/translate/translate-numbers)

from the stern

"from the back of the ship"